C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 220/14 (2006.01) C08F 2/44 (2006.01) C08K 9/06 (2006.01)
Patent
CA 2721601
The invention relates to a polymerizable composition containing: a) acrylates and/or methacrylates which have a glass transition temperature T g of 0°C or less, b) from 0.5 to 70% by weight of SiO2 particles which have an average particle size of from 1 to 150 nm and have polymerizable groups on the surface and are present in dispersed form in the acrylates and/or methacrylates, with at least 50% of the SiO2 particles being individual unaggregated or unagglomerated primary particles, where the composition contains not more than 2% by weight of crosslinker molecules.
L'invention concerne une matière polymérisable contenant a) des acrylates et/ou des méthacrylates présentant une température de transition vitreuse Tg inférieure ou égale à 0°C, b) 0,5 à 70 % en poids de particules de SiO2 qui possèdent une taille moyenne de particule comprise entre 1 et 150 nm, présentent des groupes polymérisables sur leur surface et sont en dispersion dans les acrylates et/ou les méthacrylates, ces particules de SiO2 se composant à au moins 50% de particules primaires dispersées non agrégées ou agglomérées. Cette matière contient au maximum 2 % en poids de molécules réticulantes.
Kuehner Uwe Dietrich
Langerbeins Klaus
Siol Werner
Nanoresins Ag
Ridout & Maybee Llp
LandOfFree
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